J_t is tlie very rich carcinological coUections in the Zoological 

 State ]\luseum at Stockholm, most liberally placed at my dis- 

 posal by Professor Sven Loven, tliat have afForded tlie prin- 

 cipal material for tlie present and following notes on new or 

 imperfectly known Isopods. Yaluable contributions liave been 

 received from Professor Tyclio Tullberg, Director of the Zoo- 

 logical Museum of tlie University of Upsala, and furnisbed 

 from my own collections made during many years of travels 

 and voyages at liome and abroad. 



AbbrcTiations. 



Z. M. = The Zoological State Museum of Sweden at Stockholm. 

 TJ. M. = The Zoological Museum of the University of Upsala. 

 C. B. = The author's collections. 



